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usb: typec: ucsi: Report power supply change on sink path change

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Update the UCSI interface driver to report a power supply change when
the PPM sets the Sink Path Change bit.

Signed-off-by: Jameson Thies <jthies@google.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Tested-By: Kenneth R. Crudup <kenny@panix.com>
Link: https://patch.msgid.link/20251016235909.2092917-4-jthies@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jameson Thies 2025-10-16 23:59:09 +00:00 committed by Greg Kroah-Hartman
parent e397f446af
commit 26c3af0cd8
2 changed files with 2 additions and 1 deletions
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2
drivers/usb/typec/ucsi/ucsi.c
View File

@ -1293,7 +1293,7 @@ static void ucsi_handle_connector_change(struct work_struct *work)
if (change & UCSI_CONSTAT_CAM_CHANGE)
ucsi_partner_task(con, ucsi_check_altmodes, 1, HZ);
if (change & UCSI_CONSTAT_BC_CHANGE)
if (change & (UCSI_CONSTAT_BC_CHANGE | UCSI_CONSTAT_SINK_PATH_CHANGE))
ucsi_port_psy_changed(con);
if (con->ucsi->version >= UCSI_VERSION_2_1 &&

1
drivers/usb/typec/ucsi/ucsi.h
View File

@ -382,6 +382,7 @@ struct ucsi_cable_property {
#define UCSI_CONSTAT_BC_CHANGE BIT(9)
#define UCSI_CONSTAT_PARTNER_CHANGE BIT(11)
#define UCSI_CONSTAT_POWER_DIR_CHANGE BIT(12)
#define UCSI_CONSTAT_SINK_PATH_CHANGE BIT(13)
#define UCSI_CONSTAT_CONNECT_CHANGE BIT(14)
#define UCSI_CONSTAT_ERROR BIT(15)